Sum of prime numbers

Compute the sum of all prime numbers in a stream of binary integers as fast as possible.

Input: 1 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of all values that are prime, printed as a decimal string.

Restrictions:30s256Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 8, 2026 21:12	3,317	15,480,600	1,946,000	973,000	2,527,232
2	Feb 8, 2026 16:53	3,318	17,199,766	1,947,000	973,000	2,383,872
3	Feb 8, 2026 21:12	3,318	19,925,691	1,947,000	973,000	2,375,680
4	Feb 8, 2026 21:12	3,320	18,522,397	1,948,000	974,000	2,379,776
5	Feb 8, 2026 16:53	3,322	18,831,554	1,949,000	974,000	2,379,776
6	Feb 8, 2026 21:12	3,322	19,142,004	1,949,000	974,000	2,379,776
7	Feb 8, 2026 16:53	3,322	15,775,253	1,949,000	974,000	2,375,680
8	Feb 8, 2026 03:16	3,325	20,504,288	1,951,000	975,000	2,375,680
9	Feb 8, 2026 16:53	3,325	21,018,948	1,951,000	975,000	2,383,872
10	Feb 8, 2026 05:12	3,327	21,472,246	1,952,000	976,000	2,506,752
11	Feb 8, 2026 16:53	3,328	19,674,538	1,953,000	976,000	2,383,872
12	Feb 8, 2026 16:54	3,328	18,326,422	1,953,000	976,000	2,531,328
13	Feb 8, 2026 16:54	3,331	16,500,117	2,931,000	0	2,379,776
14	Feb 8, 2026 16:54	3,335	21,814,881	1,957,000	978,000	2,375,680
15	Feb 8, 2026 03:16	3,338	18,387,849	1,958,000	979,000	2,531,328
16	Feb 8, 2026 16:53	3,338	24,845,524	1,958,000	979,000	2,383,872
17	Feb 8, 2026 16:53	3,338	16,969,040	1,958,000	979,000	2,383,872
18	Feb 8, 2026 03:24	3,342	22,628,299	1,961,000	980,000	2,269,184
19	Feb 8, 2026 21:12	3,345	15,971,995	1,963,000	981,000	2,527,232
20	Feb 8, 2026 03:13	3,345	21,834,173	1,963,000	981,000	2,371,584
21	Feb 8, 2026 16:54	3,345	18,897,369	1,963,000	981,000	2,375,680
22	Feb 8, 2026 05:12	3,345	17,272,509	1,963,000	981,000	2,277,376
23	Feb 8, 2026 21:12	3,348	15,829,739	1,964,000	982,000	2,523,136
24	Feb 8, 2026 21:11	3,349	18,032,364	2,947,000	0	2,531,328
25	Feb 8, 2026 03:16	3,349	18,359,811	1,965,000	982,000	2,379,776
26	Feb 8, 2026 21:11	3,351	22,027,142	1,966,000	983,000	2,375,680
27	Feb 8, 2026 16:53	3,358	17,330,107	1,970,000	985,000	2,531,328
28	Feb 8, 2026 21:11	3,359	16,788,439	1,971,000	985,000	2,375,680
29	Feb 8, 2026 05:12	3,365	21,058,154	1,974,000	987,000	2,277,376
30	Feb 8, 2026 05:13	3,368	20,982,686	1,976,000	988,000	2,277,376
31	Feb 8, 2026 03:16	3,424	15,824,420	1,004,000	2,009,000	2,383,872
32	Feb 8, 2026 03:13	3,430	21,846,205	2,012,000	1,006,000	2,371,584
33	Feb 8, 2026 21:11	3,433	16,624,489	2,014,000	1,007,000	2,379,776
34	Feb 8, 2026 03:16	3,436	19,427,979	1,008,000	2,016,000	2,531,328
35	Feb 8, 2026 16:53	3,448	21,449,607	2,023,000	1,011,000	2,379,776
36	Feb 8, 2026 03:13	3,450	23,514,789	1,012,000	2,024,000	2,277,376
37	Feb 8, 2026 03:13	3,450	21,958,013	2,024,000	1,012,000	2,277,376
38	Feb 8, 2026 05:11	3,451	20,521,973	1,012,000	2,025,000	2,379,776
39	Feb 8, 2026 21:12	3,453	22,360,458	2,026,000	1,013,000	2,379,776
40	Feb 8, 2026 03:24	3,455	17,505,657	1,013,000	2,027,000	2,277,376
41	Feb 8, 2026 16:54	3,458	22,965,859	2,029,000	1,014,000	2,531,328
42	Feb 8, 2026 05:11	3,461	25,000,048	2,031,000	1,015,000	2,379,776
43	Feb 8, 2026 16:54	3,468	18,428,930	2,035,000	1,017,000	2,383,872
44	Feb 8, 2026 03:13	3,470	25,133,458	2,036,000	1,018,000	2,277,376
45	Feb 8, 2026 21:11	3,470	20,502,121	2,036,000	1,018,000	2,371,584
46	Feb 8, 2026 21:11	3,470	19,124,420	2,036,000	1,018,000	2,383,872
47	Feb 8, 2026 03:14	3,474	21,187,016	2,038,000	1,019,000	2,379,776
48	Feb 8, 2026 05:13	3,475	22,383,278	2,039,000	1,019,000	2,379,776
49	Feb 8, 2026 05:13	3,475	24,584,489	1,019,000	2,039,000	2,375,680
50	Feb 8, 2026 03:24	3,481	16,900,132	2,042,000	1,021,000	2,383,872
51	Feb 8, 2026 05:11	3,482	20,363,345	1,021,000	2,043,000	2,277,376
52	Feb 8, 2026 21:12	3,482	19,540,124	2,043,000	1,021,000	2,375,680
53	Feb 8, 2026 21:12	3,482	24,342,240	2,043,000	1,021,000	2,371,584
54	Feb 8, 2026 21:12	3,484	20,854,169	2,044,000	1,022,000	2,277,376
55	Feb 8, 2026 21:12	3,508	18,386,059	2,058,000	1,029,000	2,277,376
56	Feb 8, 2026 03:16	3,519	22,056,738	2,065,000	1,032,000	2,379,776
57	Feb 8, 2026 03:14	3,519	17,499,746	1,032,000	2,065,000	2,379,776
58	Feb 8, 2026 21:12	3,809	21,936,659	3,352,000	0	2,375,680
59	Feb 8, 2026 03:14	4,150	17,997,607	3,652,000	0	2,375,680
60	Feb 8, 2026 03:13	4,427	18,517,345	1,948,000	1,948,000	2,371,584

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1